Sound waves<span> coming from farther above, where it is warmer, will experience a refraction. The change in speed from the warmer </span>air<span> to the cooler </span>air<span> causes a bending effect, as the </span>sound travels<span> downward.</span>
Answer-
Dark Side- Lunar hemisphere that is not currently lit by the sun. Hope this helps!!
Answer:
D
Explanation:
As population grows all the above factors increase expect the biodiversity of animal and plant species.
Antibiotics added to livestock feed have been found to increase their growth rate, reduce incidence of infection, reduces mortality and improve feed conversion ratio or feed efficiency.
The person who studies living things is called a biologist